INSTALLATION PRECAUTIONS
Pipe Length and Additional Refrigerant
Inverter Models Capacity (Btu/h)
Length of pipe covered by pre‐charge
Maximum distance between indoor and outdoor unit
Additional refrigerant charge
Max. diff. in level between indoor and outdoor unit
Type of refrigerant
Torque Parameters
Newton meter[N x m]
PIPE Size
1/4 (
6.35)
3/8 (
9.52)
1/2 (
12)
5/8 (
15.88)
Connection wires
INVERTER TYPE
MODEL
capacity (Btu/h)
Power supply cable
Connection cable
Note: This table is only for reference, the installation shall meet the requirements of local laws
and regulations.
Pound‐force foot (Ibf‐ft)
15 ‐ 20
31 ‐ 35
45 ‐ 50
60 ‐ 65
sectional area
N
L
N
L
1
22
EN - 24
9K‐12K
5m
15m
15g/m
10m
R32
Kilogram‐force meter (kgf‐m)
11.1 ‐ 14.8
22.9 ‐ 25.8
33.2 ‐ 36.9
44.3 ‐ 48.0
9k /12
1.0mm
2
1.0mm
2
1.0mm
2
1.0mm
2
1.0mm
2
1.0mm
2
1.0mm
2
1.5 ‐ 2.0
3.2 ‐ 3.6
4.6 ‐ 5.1
6.1 ‐ 6.6